Term in weeks of amenorrhoea

Creatinine in milligrams/decilitre

Creatinine in micromole/litre

23 to 26

0.77 - 1.05

(68.1 - 92.8)

27 to 29

0.76 - 1.02

(67.2 - 90.2)

30 to 32

0.70 - 0.80

(61.9 - 70.7)

33 to 45

0.77 - 0.90

(68.1 - 79.6)